./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93_fixed.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93_fixed.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6cbbed0433cc0d91b125a3207f8f59de19057dafc7c7389742727ecfa0261b91 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:30,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:31,007 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:14:31,013 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:31,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:31,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:31,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:31,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:31,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:31,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:31,046 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:31,046 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:31,047 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:31,048 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:14:31,049 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:31,049 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:31,050 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:14:31,051 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:14:31,051 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:31,052 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:14:31,053 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:14:31,054 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:14:31,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:31,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:31,056 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:31,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:14:31,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:31,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:31,059 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:31,060 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:31,060 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:31,061 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:31,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:31,062 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:31,062 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:31,062 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:31,063 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:31,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:31,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:31,064 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:31,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:31,065 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:14:31,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:14:31,066 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:31,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:31,067 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:31,067 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:31,067 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cbbed0433cc0d91b125a3207f8f59de19057dafc7c7389742727ecfa0261b91 [2023-11-23 21:14:31,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:31,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:31,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:31,423 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:31,423 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:31,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93_fixed.i [2023-11-23 21:14:34,967 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:35,317 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:35,318 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93_fixed.i [2023-11-23 21:14:35,331 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/data/247a22d75/66d10bba321447a2966ac28593781ac5/FLAG037ef53d0 [2023-11-23 21:14:35,352 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/data/247a22d75/66d10bba321447a2966ac28593781ac5 [2023-11-23 21:14:35,359 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:35,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:35,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:35,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:35,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:35,374 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:35" (1/1) ... [2023-11-23 21:14:35,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45fe5605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35, skipping insertion in model container [2023-11-23 21:14:35,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:35" (1/1) ... [2023-11-23 21:14:35,425 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:35,637 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93_fixed.i[917,930] [2023-11-23 21:14:35,684 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:35,706 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:35,723 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93_fixed.i[917,930] [2023-11-23 21:14:35,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:35,774 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:35,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35 WrapperNode [2023-11-23 21:14:35,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:35,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:35,777 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:35,777 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:35,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35" (1/1) ... [2023-11-23 21:14:35,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35" (1/1) ... [2023-11-23 21:14:35,841 INFO L138 Inliner]: procedures = 26, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-23 21:14:35,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:35,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:35,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:35,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:35,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35" (1/1) ... [2023-11-23 21:14:35,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35" (1/1) ... [2023-11-23 21:14:35,870 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35" (1/1) ... [2023-11-23 21:14:35,871 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35" (1/1) ... [2023-11-23 21:14:35,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35" (1/1) ... [2023-11-23 21:14:35,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35" (1/1) ... [2023-11-23 21:14:35,896 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35" (1/1) ... [2023-11-23 21:14:35,898 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35" (1/1) ... [2023-11-23 21:14:35,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:35,903 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:35,903 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:35,904 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:35,905 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35" (1/1) ... [2023-11-23 21:14:35,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:35,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:35,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:35,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:36,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:36,002 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:36,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:14:36,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:36,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:36,102 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:36,105 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:14:36,377 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:14:36,547 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:14:36,547 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:14:36,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:36 BoogieIcfgContainer [2023-11-23 21:14:36,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:14:36,553 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:14:36,553 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:14:36,557 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:14:36,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:35" (1/3) ... [2023-11-23 21:14:36,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3b446c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:36, skipping insertion in model container [2023-11-23 21:14:36,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:35" (2/3) ... [2023-11-23 21:14:36,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3b446c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:14:36, skipping insertion in model container [2023-11-23 21:14:36,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:36" (3/3) ... [2023-11-23 21:14:36,560 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-93_fixed.i [2023-11-23 21:14:36,581 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:14:36,581 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:14:36,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:14:36,657 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78298dac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:14:36,657 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:14:36,662 INFO L276 IsEmpty]: Start isEmpty. Operand has 32 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:14:36,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 21:14:36,673 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:14:36,674 INFO L195 NwaCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:14:36,674 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:14:36,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:14:36,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1244771287, now seen corresponding path program 1 times [2023-11-23 21:14:36,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:14:36,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011067847] [2023-11-23 21:14:36,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:14:36,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:14:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:37,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:14:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:14:37,234 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 21:14:37,236 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:14:37,238 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:14:37,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:14:37,245 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 21:14:37,252 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:14:37,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:14:37 BoogieIcfgContainer [2023-11-23 21:14:37,346 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:14:37,351 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:14:37,351 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:14:37,351 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:14:37,352 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:14:36" (3/4) ... [2023-11-23 21:14:37,357 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:14:37,358 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:14:37,360 INFO L158 Benchmark]: Toolchain (without parser) took 1996.50ms. Allocated memory is still 155.2MB. Free memory was 111.2MB in the beginning and 103.9MB in the end (delta: 7.3MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-11-23 21:14:37,360 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:37,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.04ms. Allocated memory is still 155.2MB. Free memory was 111.2MB in the beginning and 99.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:14:37,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.36ms. Allocated memory is still 155.2MB. Free memory was 99.0MB in the beginning and 97.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:14:37,362 INFO L158 Benchmark]: Boogie Preprocessor took 59.25ms. Allocated memory is still 155.2MB. Free memory was 97.0MB in the beginning and 95.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:14:37,363 INFO L158 Benchmark]: RCFGBuilder took 646.62ms. Allocated memory is still 155.2MB. Free memory was 95.4MB in the beginning and 76.4MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:14:37,364 INFO L158 Benchmark]: TraceAbstraction took 793.13ms. Allocated memory is still 155.2MB. Free memory was 75.5MB in the beginning and 103.9MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:37,364 INFO L158 Benchmark]: Witness Printer took 7.72ms. Allocated memory is still 155.2MB. Free memory was 103.9MB in the beginning and 103.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:14:37,368 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.04ms. Allocated memory is still 155.2MB. Free memory was 111.2MB in the beginning and 99.0MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.36ms. Allocated memory is still 155.2MB. Free memory was 99.0MB in the beginning and 97.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.25ms. Allocated memory is still 155.2MB. Free memory was 97.0MB in the beginning and 95.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.62ms. Allocated memory is still 155.2MB. Free memory was 95.4MB in the beginning and 76.4MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 793.13ms. Allocated memory is still 155.2MB. Free memory was 75.5MB in the beginning and 103.9MB in the end (delta: -28.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.72ms. Allocated memory is still 155.2MB. Free memory was 103.9MB in the beginning and 103.9MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of someBinaryFLOATComparisonOperation at line 89, overapproximation of someUnaryDOUBLEoperation at line 23. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 255.3; [L23] double var_1_3 = -0.9; [L24] double var_1_5 = 128.5; [L25] double var_1_6 = 9.186; [L26] double var_1_7 = 31.75; [L27] double var_1_8 = 9.6; [L28] float var_1_9 = 499.2; [L29] float var_1_10 = 1.5; [L30] unsigned char var_1_11 = 0; [L31] unsigned char var_1_12 = 1; [L32] unsigned char var_1_13 = 0; [L33] unsigned char var_1_14 = 1; [L34] float last_1_var_1_10 = 1.5; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L86] last_1_var_1_10 = var_1_10 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L61] var_1_3 = __VERIFIER_nondet_double() [L62] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L63] CALL assume_abort_if_not(var_1_3 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_3 != 0.0F) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_5=257/2, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L64] var_1_5 = __VERIFIER_nondet_double() [L65] CALL assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not((var_1_5 >= -922337.2036854776000e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854776000e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L66] CALL assume_abort_if_not(var_1_5 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_5 != 0.0F) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_6=4593/500, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L67] var_1_6 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_7=127/4, var_1_8=48/5, var_1_9=2496/5] [L69] var_1_7 = __VERIFIER_nondet_double() [L70] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_8=48/5, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_8=48/5, var_1_9=2496/5] [L71] var_1_8 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_9=2496/5] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_8 >= 0.0F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10, var_1_9=2496/5] [L73] var_1_9 = __VERIFIER_nondet_float() [L74] CALL assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not((var_1_9 >= -922337.2036854765600e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854765600e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L75] var_1_12 = __VERIFIER_nondet_uchar() [L76] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L77] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L78] var_1_13 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_14=1, var_1_1=2553/10] [L80] CALL assume_abort_if_not(var_1_13 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(var_1_13 <= 0) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L81] var_1_14 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L83] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_10=3/2, var_1_10=3/2, var_1_11=0, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2553/10] [L97] RET updateVariables() [L98] CALL step() [L38] COND TRUE ((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5) [L39] COND FALSE !(last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) [L42] var_1_1 = var_1_9 [L47] COND TRUE var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1)))) [L48] var_1_10 = 2147000000.0f [L52] COND FALSE !(! (var_1_3 <= var_1_10)) [L55] COND TRUE (var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5))) [L56] var_1_11 = var_1_14 [L98] RET step() [L99] CALL, EXPR property() [L89-L90] return (((((- last_1_var_1_10) / var_1_3) != (last_1_var_1_10 / var_1_5)) ? ((last_1_var_1_10 != (((((var_1_6) > (var_1_7)) ? (var_1_6) : (var_1_7))) - var_1_8)) ? (var_1_1 == ((float) var_1_9)) : (var_1_1 == ((float) var_1_9))) : (var_1_1 == ((float) 64.51f))) && ((var_1_1 > (((((var_1_9 * 128.4)) > ((var_1_5 * var_1_1))) ? ((var_1_9 * 128.4)) : ((var_1_5 * var_1_1))))) ? (var_1_10 == ((float) 2147000000.0f)) : (var_1_10 == ((float) var_1_9)))) && ((! (var_1_3 <= var_1_10)) ? (var_1_11 == ((unsigned char) (var_1_12 && var_1_13))) : (((var_1_7 / var_1_3) < ((((((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) < (var_1_5)) ? (((((var_1_8) > (var_1_6)) ? (var_1_8) : (var_1_6)))) : (var_1_5)))) ? (var_1_11 == ((unsigned char) var_1_14)) : 1)) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=3/2, var_1_10=2147000000, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2147000000, var_1_9=2147000000] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=3/2, var_1_10=2147000000, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=1, var_1_1=2147000000, var_1_9=2147000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 21:14:37,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93_fixed.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6cbbed0433cc0d91b125a3207f8f59de19057dafc7c7389742727ecfa0261b91 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:14:40,417 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:14:40,561 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 21:14:40,571 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:14:40,572 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:14:40,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:14:40,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:14:40,619 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:14:40,620 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:14:40,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:14:40,626 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:14:40,627 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:14:40,627 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:14:40,629 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:14:40,630 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:14:40,630 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:14:40,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:14:40,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:14:40,633 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:14:40,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:14:40,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:14:40,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:14:40,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:14:40,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:14:40,636 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:14:40,637 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:14:40,637 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:14:40,638 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:14:40,638 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:14:40,639 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:14:40,640 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:14:40,641 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:14:40,641 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:14:40,641 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:14:40,642 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:40,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:14:40,642 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:14:40,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:14:40,643 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 21:14:40,644 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:14:40,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:14:40,645 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:14:40,645 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:14:40,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:14:40,646 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6cbbed0433cc0d91b125a3207f8f59de19057dafc7c7389742727ecfa0261b91 [2023-11-23 21:14:41,155 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:14:41,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:14:41,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:14:41,196 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:14:41,197 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:14:41,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93_fixed.i [2023-11-23 21:14:44,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:14:45,046 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:14:45,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93_fixed.i [2023-11-23 21:14:45,059 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/data/c773b8109/6db57837c0e6402ea9764bc320e0386f/FLAG5fcbb9088 [2023-11-23 21:14:45,082 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/data/c773b8109/6db57837c0e6402ea9764bc320e0386f [2023-11-23 21:14:45,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:14:45,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:14:45,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:45,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:14:45,103 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:14:45,104 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:45" (1/1) ... [2023-11-23 21:14:45,106 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d66bdd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45, skipping insertion in model container [2023-11-23 21:14:45,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:14:45" (1/1) ... [2023-11-23 21:14:45,157 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:14:45,421 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93_fixed.i[917,930] [2023-11-23 21:14:45,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:45,551 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:14:45,572 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-93_fixed.i[917,930] [2023-11-23 21:14:45,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:14:45,654 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:14:45,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45 WrapperNode [2023-11-23 21:14:45,655 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:14:45,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:45,658 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:14:45,658 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:14:45,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45" (1/1) ... [2023-11-23 21:14:45,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45" (1/1) ... [2023-11-23 21:14:45,751 INFO L138 Inliner]: procedures = 27, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 101 [2023-11-23 21:14:45,757 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:14:45,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:14:45,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:14:45,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:14:45,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45" (1/1) ... [2023-11-23 21:14:45,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45" (1/1) ... [2023-11-23 21:14:45,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45" (1/1) ... [2023-11-23 21:14:45,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45" (1/1) ... [2023-11-23 21:14:45,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45" (1/1) ... [2023-11-23 21:14:45,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45" (1/1) ... [2023-11-23 21:14:45,832 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45" (1/1) ... [2023-11-23 21:14:45,835 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45" (1/1) ... [2023-11-23 21:14:45,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:14:45,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:14:45,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:14:45,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:14:45,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45" (1/1) ... [2023-11-23 21:14:45,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:14:45,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:14:45,967 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:14:45,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:14:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:14:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 21:14:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:14:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:14:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:14:46,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:14:46,119 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:14:46,122 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:15:03,469 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:15:03,521 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:15:03,521 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:15:03,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:03 BoogieIcfgContainer [2023-11-23 21:15:03,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:15:03,524 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:15:03,525 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:15:03,528 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:15:03,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:14:45" (1/3) ... [2023-11-23 21:15:03,529 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516e28c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:03, skipping insertion in model container [2023-11-23 21:15:03,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:14:45" (2/3) ... [2023-11-23 21:15:03,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516e28c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:15:03, skipping insertion in model container [2023-11-23 21:15:03,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:15:03" (3/3) ... [2023-11-23 21:15:03,532 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-93_fixed.i [2023-11-23 21:15:03,552 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:15:03,552 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:15:03,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:15:03,609 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@34c754e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:15:03,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:15:03,613 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:15:03,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 21:15:03,626 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:03,627 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:03,628 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:03,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:03,634 INFO L85 PathProgramCache]: Analyzing trace with hash -1055349895, now seen corresponding path program 1 times [2023-11-23 21:15:03,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:03,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104833192] [2023-11-23 21:15:03,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:03,673 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:15:03,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:03,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:15:03,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 21:15:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:06,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:15:06,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:06,620 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2023-11-23 21:15:06,620 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:15:06,621 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 21:15:06,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104833192] [2023-11-23 21:15:06,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2104833192] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:15:06,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:15:06,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:15:06,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901317264] [2023-11-23 21:15:06,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:15:06,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:15:06,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 21:15:06,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:15:06,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:15:06,666 INFO L87 Difference]: Start difference. First operand has 41 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 25 states have internal predecessors, (34), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 21:15:10,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:15:10,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:15:10,278 INFO L93 Difference]: Finished difference Result 79 states and 136 transitions. [2023-11-23 21:15:10,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:15:10,655 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 87 [2023-11-23 21:15:10,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:15:10,661 INFO L225 Difference]: With dead ends: 79 [2023-11-23 21:15:10,661 INFO L226 Difference]: Without dead ends: 39 [2023-11-23 21:15:10,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:15:10,668 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:15:10,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 54 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2023-11-23 21:15:10,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-23 21:15:10,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-23 21:15:10,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 23 states have internal predecessors, (29), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:15:10,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 57 transitions. [2023-11-23 21:15:10,715 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 57 transitions. Word has length 87 [2023-11-23 21:15:10,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:15:10,716 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 57 transitions. [2023-11-23 21:15:10,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2023-11-23 21:15:10,717 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2023-11-23 21:15:10,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 21:15:10,722 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:15:10,722 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:15:10,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:15:10,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:15:10,937 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:15:10,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:15:10,938 INFO L85 PathProgramCache]: Analyzing trace with hash -2144090303, now seen corresponding path program 1 times [2023-11-23 21:15:10,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 21:15:10,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557064059] [2023-11-23 21:15:10,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:15:10,939 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 21:15:10,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 21:15:10,941 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 21:15:10,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2334ad7d-f91f-4cdd-994e-60ff09fcb101/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 21:15:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:15:13,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 21:15:13,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:15:33,154 WARN L293 SmtUtils]: Spent 5.14s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-23 21:15:35,294 WARN L854 $PredicateComparison]: unable to prove that (and (fp.eq (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.neg c_~last_1_var_1_10~0)) c_~var_1_3~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_10~0) c_~var_1_5~0)) (= c_~var_1_1~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 6451.0 100.0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from false [2023-11-23 21:15:37,546 WARN L876 $PredicateComparison]: unable to prove that (and (fp.eq (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (fp.neg c_~last_1_var_1_10~0)) c_~var_1_3~0) (fp.div c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode c_~last_1_var_1_10~0) c_~var_1_5~0)) (= c_~var_1_1~0 ((_ to_fp 8 24) c_currentRoundingMode (/ 6451.0 100.0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true